A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
NSN 6620-01-392-7191
NSN 5905-01-299-3651
NSN 5930-01-062-0870
NSN 6150-01-332-4023
NSN 5998-00-869-6018
NSN 5996-01-515-2339
NSN 6320-01-487-0336
NSN 5915-00-929-4251
NSN 6105-01-156-6873
NSN 5910-00-677-3165
NSN 6320-01-116-3980
NSN 5905-01-258-2194